Codex Corporation

Yosef Linde

Shahid U Qureshi

In one aspect the invention features a digital synthesizer having clock circuitry to provide a clock pulse train, synthesizer circuitry to provide a synthesized pulse train at a frequency such that multiple clock pulses occur between pairs of successive synthesized pulses, and phase control circuitry to cause an effective shift in the synthesized pulse train frequency by causing, between pairs of successive synthesized pulses, a number of phase shifts in the clock pulse train.

Frequency synthesizer and digital phase lock loop

In a programmable machine, a combination for executing a do loop without requiring 'overhead' steps to be included in the do loop, having means for determining when the final do loop step is being executed, means for counting the number of do loop iterations remaining, and means for proceeding to the first do loop step each time the final do loop step is being executed provided the last iteration has not been reached, or otherwise for exiting from the do loop.

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Needham, MA, United States of America

Yosef Linde